16 search results - page 2 / 4 » Robust still image coding using lapped transforms with block... |
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
A lapped biorthogonal transform adapted for local directionality of an image is proposed. The proposed transform consists of overlapping basis functions and non-overlapping basis ...
JEI
2006
13 years 5 months ago
2006
A robust, invisible watermarking scheme is proposed for digital images, where the watermark is embedded using the blockbased lapped orthogonal transform (LOT). The embedding proces...
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
Our recently introduced JPEG steganographic method called Yet Another Steganographic Scheme (YASS) can resist blind steganalysis by embedding data in the discrete cosine transform...
APCCAS
2006
IEEE
13 years 11 months ago
2006
IEEE
— The DCT-based JPEG standard is certainly one of the most successful applications of transform coding methods for still digital images. A commonly recognized disadvantage of the...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
Sparse representation theory has been increasingly used in the fields of signal processing and machine learning. The standard sparse models are not invariant to spatial transform...